Add more methods to `SocketForwarder`. #917

Job	Run time
openssl-1.0.2u	2m 26s
openssl-1.1.0l	1m 31s
openssl-1.1.1w	1m 43s
openssl-3.0.12	2m 47s
openssl-3.1.4	2m 50s
openssl-3.2.0	3m 27s
libressl-3.1.5	2m 5s
libressl-3.2.7	2m 13s
libressl-3.3.6	2m 15s
libressl-3.4.3	2m 20s
libressl-3.5.3	2m 15s
libressl-3.6.3	2m 13s
libressl-3.7.3	2m 14s
libressl-3.8.1	2m 9s
openssl-3.0.12 fips	2m 42s
openssl-3.1.4 fips	2m 45s
openssl-3.2.0 fips	3m 23s
openssl-head	3m 23s
openssl-head fips	3m 19s
ruby-versions / Generate Ruby versions	3s
ubuntu-22.04 2.7	57s
ubuntu-22.04 3.0	52s
ubuntu-22.04 3.1	58s
ubuntu-22.04 3.2	59s
ubuntu-22.04 3.3	54s
ubuntu-22.04 head	56s
ubuntu-22.04 truffleruby	1m 27s
ubuntu-22.04 truffleruby-head	1m 37s
ubuntu-20.04 2.7	53s
ubuntu-20.04 3.0	54s
ubuntu-20.04 3.1	52s
ubuntu-20.04 3.2	50s
ubuntu-20.04 3.3	50s
ubuntu-20.04 head	50s
ubuntu-20.04 truffleruby-head	1m 24s
macos-latest 2.7	1m 20s
macos-latest 3.0	1m 20s
macos-latest 3.1	3m 28s
macos-latest 3.2	1m 0s
macos-latest 3.3	56s
macos-latest head	3m 38s
macos-latest truffleruby-head	1m 37s
windows-latest 2.7	4m 34s
windows-latest 3.0	4m 19s
windows-latest 3.1	4m 3s
windows-latest 3.2	4m 7s
windows-latest 3.3	4m 19s
windows-latest ucrt	3m 53s
windows-latest mswin	3m 6s
	1h 44m 56s

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